>> it's the combination of two things, the personal hygiene and being careful about your environment. that's one way to do it. the other way is to get vaccinated. for example, when you see people who are sneezing and coughing, just try to avoid that and not get into crowded places where people are sneezing and coughing or whatever. washing your hands is critical. people don't fully appreciate that if you have someone -- >> better than purel? >> well, you know, there's always the argument about purel or not. could you use purel, it's not going to hurt you but the washing of the hands is really important and people don't realize for example if someone has the flu, and they go like that and sneeze or cough the virus is on their hand. they shake hands with you, you feel personal well, you touch your face, your eyes, your nose or your mouth and that's how you get it. as best as possible wash your hands frequently a void situations where there are people who are sneezing and coughing all over you but most of all get vaccinated. >> and stop shaking hands with people clearly. i got too many k